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Finding the Fourth Proportional to 440,192.64, 606,105.64 and 343,785.92

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Solution

The fourth proportional to 440,192.64, 606,105.64 and 343,785.92 is: 473,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,192.64 : 606,105.64 = 343,785.92 : x
  2. Step 2: Convert to fraction form
    440,192.64/606,105.64 = 343,785.92/x
  3. Step 3: Cross multiply
    440,192.64x = 606,105.64 × 343,785.92
  4. Step 4: Simplify right side
    440,192.64x = 208,370,585,064.59
  5. Step 5: Solve for x
    x = 208,370,585,064.59/440,192.64
  6. Step 6: Final answer
    x = 473,362.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.